acpi c-states: Fix ACPI C3 is wrongly mapped to C2

Commit Message

Youquan Song Dec. 12, 2009, 6:14 p.m. UTC

None

Patch

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index bbd066e..302d656 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -459,6 +459,10 @@  static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
 		cx.power = obj->integer.value;
 
 		current_count++;
+
+		if (current_count == 2 && cx.type != ACPI_STATE_C2)
+			current_count++;
+
 		memcpy(&(pr->power.states[current_count]), &cx, sizeof(cx));
 
 		/*